Butterfly Valve Action Spring Return Body Material PVC Pipe Size 6 in Connection ANSI Max Water Pressure 150 psi Seat Material EPDM Number of Bolt Holes 8 Lug Dia 7/8 in Compliance ASTM D1784 Cell Class 12454 Standards ISO 5211 Air Inlet Pressure 80 psi Bolt Circle Dia 9 1/2 in Product Type Butterfly Valve